Respuesta :
{5x−4y=−10 ⇒ 5x = 4y-10 ⇒ x=(4y-10)/5 ⇒ x = 0.8y - 2
{-4x+5y=8
-4(0.8y-2) + 5y = 8
-3.2y + 8 + 5y = 8
1.8y = 8 - 8
1.8y = 0
y = 0
5x−4·0=−10
5x = -10
x = -10/5
x = -2
Your answer is (-2, 0)
{-4x+5y=8
-4(0.8y-2) + 5y = 8
-3.2y + 8 + 5y = 8
1.8y = 8 - 8
1.8y = 0
y = 0
5x−4·0=−10
5x = -10
x = -10/5
x = -2
Your answer is (-2, 0)